P0432 is a 2/1 Cat Efficiency code: Exhaust Leak, Cat Converter, O2 sensor
malfunction...you'll need to figure it out before replacing parts.
- Bernd
-----Original Message-----
From: msnbcnnbcbs@hotmail.com [mailto:msnbcnnbcbs@hotmail.com]
Sent: Sunday, April 27, 2008 4:20 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: RE: DML: RE: 2003 R/T making snapping/popping noise on
warm-up/cool-down
Truck threw a P0432 code idling in traffic right after getting off the
freeway.
(cat converter efficiency)
I'm wondering if I should just replace the headers with some mopar/PPH
headers
and just yank those stupid mini-cats off the truck.
msnbcetcetc....
In article <200804231856.m3NIu7C5011112@bent.twistedbits.net>,
bernd@dodgetrucks.org ("Bernd D. Ratsch") writes:
>
>
> They all pop on heat-up - just depends on how loud and exhaust
configuration
> (factory/aftermarket/custom welded/etc.).
>
> - Bernd
>
> -----Original Message-----
> From: Andy Levy [mailto:andy.levy@gmail.com]
> Sent: Wednesday, April 23, 2008 1:37 PM
> To: dakota-truck@dakota-truck.net
> Subject: Re: DML: RE: 2003 R/T making snapping/popping noise on
> warm-up/cool-down
>
>
> Is that something new? My '03 never made popping noises during warm-up or
> cool-down.
>
> On Mon, Apr 21, 2008 at 10:52 PM, Bernd D. Ratsch <bernd@dodgetrucks.org>
> wrote:
> >
> > Sounds like the normal "pop" from the exhaust manifolds on initial
> > heat-up and cool-down. You should hear the 4.7L's on a really cold
> > morning while heating up.
> >
> > - Bernd
> >
> > -----Original Message-----
> > From: msnbcnnbcbs@hotmail.com [mailto:msnbcnnbcbs@hotmail.com]
> > Sent: Monday, April 21, 2008 7:48 PM
> > To: dakota-truck-moderator@bent.twistedbits.net
> > Subject: DML: 2003 R/T making snapping/popping noise on
> > warm-up/cool-down
> >
> >
> > Hiya Folks,
> >
> > I've been hearing a really VIOLENT snapping/popping noise coming from
> > the engine for a while. It started when I replaced the stock intake
> > manifold for a modified Hughes Stage 1.
> >
> > At first I thought the manifold was the culprit. But I ended up
> > replacing it this weekend and the noise is still there.
> >
> > The noise IS NOT RYTHMIC, and not consistent. It happens about 50
> > seconds after startup, and continues while warmed up. The noise does
> > not stop as the engine cools off. I've tried sitting and staring at
> > the engine while its off but the noise is loud and reverberates
> everywhere, so its hard to pinpoint.
> >
> > I have a thread in dakota-durango with a video of the noise and
> everything.
> >
> > http://www.dakota-durango.com/forum/showthread.php?t=51792
> >
> > I'm hoping someone can shed some light on this, (although at this
> > point I'm starting to suspect the stock headers/heatshields..) or at
> > the very least tell me its nothing serious.
> >
> > Thanks.
> >
> >
> >
> >
> >
>
>
>
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